Cody

# Problem 44887. Given a matrix A (size m x n) create a matrix B (size m+2 x n+2) which consists of matrix A surrounded by zeros. See Example below:

Solution 1860151

Submitted on 28 Jun 2019 by Anupam Agarwal
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

### Test Suite

Test Status Code Input and Output
1   Pass
x = [1]; y_correct = [0 0 0 0 1 0 0 0 0]; assert(isequal(zeroWrap(x),y_correct))

y = 0 0 0 0 1 0 0 0 0

2   Pass
x = randi(10,4,5); m=zeroWrap(x); assert(isequal(m(2:end-1,2:end-1),x))

y = 0 0 0 0 0 0 0 0 4 10 8 10 10 0 0 9 3 4 10 4 0 0 7 8 3 6 5 0 0 4 7 7 5 6 0 0 0 0 0 0 0 0

3   Pass
x = randi(10,4,5); m=zeroWrap(x); assert(isequal(sum(m(1,:)),0))

y = 0 0 0 0 0 0 0 0 4 8 8 10 7 0 0 5 3 6 6 4 0 0 3 7 4 8 5 0 0 8 10 6 3 7 0 0 0 0 0 0 0 0

4   Pass
x = randi(10,4,5); m=zeroWrap(x); assert(isequal(sum(m(end,:)),0))

y = 0 0 0 0 0 0 0 0 8 3 8 1 1 0 0 7 7 2 4 9 0 0 4 8 2 8 5 0 0 4 10 10 8 6 0 0 0 0 0 0 0 0

5   Pass
x = randi(10,4,5); m=zeroWrap(x); assert(isequal(sum(m(:,1)),0))

y = 0 0 0 0 0 0 0 0 5 9 4 8 10 0 0 10 2 7 4 4 0 0 6 9 2 7 8 0 0 4 9 9 9 3 0 0 0 0 0 0 0 0

6   Pass
x = randi(10,4,5); m=zeroWrap(x); assert(isequal(sum(m(:,end)),0))

y = 0 0 0 0 0 0 0 0 5 10 7 10 4 0 0 8 1 9 1 8 0 0 5 6 2 9 10 0 0 7 8 1 5 6 0 0 0 0 0 0 0 0

7   Pass
x = randi(10,4,5); m=zeroWrap(x); assert(isequal(size(m)-2,size(x)))

y = 0 0 0 0 0 0 0 0 8 3 5 4 7 0 0 8 6 1 9 4 0 0 7 4 8 10 4 0 0 4 4 9 6 7 0 0 0 0 0 0 0 0